import java.lang.*;

public class TestRandomCharacter {
    public static void main(String[] args) {
        final int NUMBER_OF_CHARS = 175;
        final int CHARS_PER_LINES = 25;
        
        for(int i  = 0; i < NUMBER_OF_CHARS; i++) {
            char ch = RandomCharacter.getRandomLowerCaseLetter();
            if((i + 1) % CHARS_PER_LINES == 0)
                System.out.println(ch);
            else
                System.out.print(ch);
        }
    }
}